Analysis of interatomic Contacts of Structural Units in PDB entry:
25QC


Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
For CSU analysis of other PDB entry

This page provides analyses of contacts formed by:
For analysis of ligand-protein contacts, use: 3D structure can be seen in additional window with STING software for 25QC entry

There are 3 chains in PDB entry 25QC (CSU analysis of residue contacts immediately below table)
Chain ID Initial residueTerminal residue
A
 ARG 3GLN 291
B
 C 1 T 4
B
 G 6 G 13
Residue contacts

1. List of contacts for up to 10 consecutive residues:
Chain ID from residue number to residue number


2. Detailed analyses of contacts for any single residue:
Residue number chain ID
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There are 18 helices in PDB entry 25QC. Click on helix of interest for CSU analysis.
Helix
number 		Helix
ID		Chain
ID		 Initial
residue		Terminal
residue		 Helix class
Helix 1
AA1
A
9 21Right-handed alpha
Helix 2
AA2
A
24 36Right-handed alpha
Helix 3
AA3
A
40 55Right-handed alpha
Helix 4
AA4
A
56 65Right-handed alpha
Helix 5
AA5
A
67 81Right-handed alpha
Helix 6
AA6
A
94 98Right-handed 310
Helix 7
AA7
A
101 117Right-handed alpha
Helix 8
AA8
A
121 128Right-handed alpha
Helix 9
AA9
A
139 148Right-handed alpha
Helix 10
AB1
A
153 167Right-handed alpha
Helix 11
AB2
A
175 181Right-handed alpha
Helix 12
AB3
A
182 197Right-handed alpha
Helix 13
AB4
A
198 201Right-handed 310
Helix 14
AB5
A
202 206Right-handed 310
Helix 15
AB6
A
208 224Right-handed alpha
Helix 16
AB7
A
238 254Right-handed alpha
Helix 17
AB8
A
260 275Right-handed alpha
Helix 18
AB9
A
277 287Right-handed alpha
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There is 1 sheet (AA1) in PDB entry 25QC.

There are 2 strands in AA1 sheet. Click on strand of interest for CSU analysis.
Strand
number 		Chain
ID		 Initial
residue		Terminal
residue		 Strand sense
Strand 1
A
137 138first strand
Strand 2
A
172 173parallel
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